What are the important features of hadoop?
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What does the mapred.job.tracker command do?
What is a Backup node in Hadoop?
How analysis of Big Data is useful for organizations?
Is hadoop still in demand?
Name the most common Input Formats defined in Hadoop? Which one is default?
What are the side effects of not running a secondary name node?
Name the files which are used by the startup and shutdown commands?
List of some best tools that can be useful for data-analysis?
What happen when namenode enters in safemode in hadoop?
How to handle bad records during parsing?
In hadoop_pid_dir, what does pid stands for?
Mention what is the difference between an rdbms and hadoop?
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